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One neuron and all the skeletal muscle cells it stimulates make up one The position on the muscle cell where the neuron connects is called the The gap between the nerve ending and the muscle cell is the When the neuron's action potential reaches the axon terminus, the chemical is released. This chemical binds to the muscle cell membrane receptor, causing a temporary rush of into the muscle cell. The electrical current generated along the muscle cell's membrane is called an and this is called the "excitation" phase of muscle contraction. During this time, the membrane potential within the muscle cell becomes inside and this triggers the opening of voltage-gated channels found within the membrane. The ion, now diffuses into the sarcoplasm and binds to the regulatory protein, found within the thin filament. This creates a conformation change in another regulatory protein found within the thin filament. Now the myosin-binding sites on are exposed. Bundles of myosin molecules are called filaments and also contain enzymes that split ATP into ADP and The energy stored in this bond allows myosin to assume a position (or "high-energy" position). When actin is exposed, the myosin Bio 11 Unit 2 Homework packet heads to actin and their heads pivot to pull the thin filaments the center of the sarcomere. This causes the -bands to shorten while the -bands stay the same length. As all sarcomeres shorten in the myofibril, the muscle shortens resulting in A single contraction is called a ; when contraction is prolonged, fused (or complete) has occurred. Bending a joint is called ; straightening is The muscle that is mostly involved in any specific action is called the Muscles that oppose the action are muscles that help are

One neuron and all the skeletal muscle cells it stimulates make up one The position on the muscle cell where the neuron connects is called the The gap between the nerve ending and the muscle cell is the When the neuron's action potential reaches the axon terminus, the chemical is released. This chemical binds to the muscle cell membrane receptor, causing a temporary rush of into the muscle cell. The electrical current generated along the muscle cell's membrane is called an and this is called the "excitation" phase of muscle contraction. During this time, the membrane potential within the muscle cell becomes inside and this triggers the opening of voltage-gated channels found within the membrane. The ion, now diffuses into the sarcoplasm and binds to the regulatory protein, found within the thin filament. This creates a conformation change in another regulatory protein found within the thin filament. Now the myosin-binding sites on are exposed. Bundles of myosin molecules are called filaments and also contain enzymes that split ATP into ADP and The energy stored in this bond allows myosin to assume a position (or "high-energy" position). When actin is exposed, the myosin Bio 11 Unit 2 Homework packet heads to actin and their heads pivot to pull the thin filaments the center of the sarcomere. This causes the -bands to shorten while the -bands stay the same length. As all sarcomeres shorten in the myofibril, the muscle shortens resulting in A single contraction is called a ; when contraction is prolonged, fused (or complete) has occurred. Bending a joint is called ; straightening is The muscle that is mostly involved in any specific action is called the Muscles that oppose the action are muscles that help are

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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One neuron and all the skeletal muscle cells it stimulates make up one The position on the muscle cell where the neuron connects is called the The gap between the nerve ending and the muscle cell is the When the neuron's action potential reaches the axon terminus, the chemical is released. This chemical binds to the muscle cell membrane receptor, causing a temporary rush of into the muscle cell. The electrical current generated along the muscle cell's membrane is called an and this is called the "excitation" phase of muscle contraction. During this time, the membrane potential within the muscle cell becomes inside and this triggers the opening of voltage-gated channels found within the membrane. The ion, now diffuses into the sarcoplasm and binds to the regulatory protein, found within the thin filament. This creates a conformation change in another regulatory protein found within the thin filament. Now the myosin-binding sites on are exposed. Bundles of myosin molecules are called filaments and also contain enzymes that split ATP into ADP and The energy stored in this bond allows myosin to assume a position (or "high-energy" position). When actin is exposed, the myosin Bio 11 Unit 2 Homework packet heads to actin and their heads pivot to pull the thin filaments the center of the sarcomere. This causes the -bands to shorten while the -bands stay the same length. As all sarcomeres shorten in the myofibril, the muscle shortens resulting in A single contraction is called a ; when contraction is prolonged, fused (or complete) has occurred. Bending at a joint is called ; straightening is The muscle that is mostly involved in any specific action is called the Muscles that oppose the action are ; muscles that help are
Transcribed Image Text:One neuron and all the skeletal muscle cells it stimulates make up one The position on the muscle cell where the neuron connects is called the The gap between the nerve ending and the muscle cell is the When the neuron's action potential reaches the axon terminus, the chemical is released. This chemical binds to the muscle cell membrane receptor, causing a temporary rush of into the muscle cell. The electrical current generated along the muscle cell's membrane is called an and this is called the "excitation" phase of muscle contraction. During this time, the membrane potential within the muscle cell becomes inside and this triggers the opening of voltage-gated channels found within the membrane. The ion, now diffuses into the sarcoplasm and binds to the regulatory protein, found within the thin filament. This creates a conformation change in another regulatory protein found within the thin filament. Now the myosin-binding sites on are exposed. Bundles of myosin molecules are called filaments and also contain enzymes that split ATP into ADP and The energy stored in this bond allows myosin to assume a position (or "high-energy" position). When actin is exposed, the myosin Bio 11 Unit 2 Homework packet heads to actin and their heads pivot to pull the thin filaments the center of the sarcomere. This causes the -bands to shorten while the -bands stay the same length. As all sarcomeres shorten in the myofibril, the muscle shortens resulting in A single contraction is called a ; when contraction is prolonged, fused (or complete) has occurred. Bending at a joint is called ; straightening is The muscle that is mostly involved in any specific action is called the Muscles that oppose the action are ; muscles that help are
Label the structures below: (c) elle ell poo elle elle elle elle boo elle elle 9909 (d) Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings.
Transcribed Image Text:Label the structures below: (c) elle ell poo elle elle elle elle boo elle elle 9909 (d) Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings.
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